Questão 1
Questão
Considered as the graphic language of the engineers.
Questão 2
Questão
Identify the figure shown below. It is a type of coupling with male thread on one side.
Responda
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Extension Piece
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Combination Nipple
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Street Nipple
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Street Piece
Questão 3
Questão
Which is the most important among the ff water supply fittings?
Responda
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Elbow
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Coupling
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Tee
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Bushing
Questão 4
Questão
An ordinary fitting having a back outlet (opposite to the branch). The axes of all the outlets lie in the same plane and are at right angle to each other.
Responda
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Cross Fitting
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Reared-Outlet Tee
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Double Tee
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Double Fitting
Questão 5
Questão
What is the purpose of a plug?
Responda
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Closing pipe ends with male thread.
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Closing pipe ends with no thread.
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Closing pipe ends with female thread.
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Closing pipe ends with burr.
Questão 6
Questão
It is a fitting that has a main function of connecting the male end of a pipe to a fitting of a larger size.
Responda
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Bushing
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Elbow
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Tee
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Crossed Fitting
Questão 7
Questão
It is a type of elbow with a third opening perpendicular to the plain of the run.
Responda
-
Side-outlet Elbow
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Three-outlet Elbow
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Branched Elbow
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Special Elbow
Questão 8
Questão
Identify the figure shown.
Responda
-
Union Elbow
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Combined Elbow
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Nut Elbow
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Street Elbow
Questão 9
Questão
Identify the figure shown.
Responda
-
Union Tee
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Combined Tee
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Nut Tee
-
Street Tee
Questão 10
Questão
Why are special fittings needed to connect iron and copper pipes?
Responda
-
To prevent galvanic current from being generated by the two dissimilar metals.
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To prevent tuberculation in the two dissimilar metals.
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To prevent corrosion between the two dissimilar metals.
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To prevent abrasion between the two dissimilar metals.
Questão 11
Questão
What do you call the process in which the steel and wrought iron pipe rust?
Responda
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Tuberculation
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Corrosion
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Oxidation
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Decomposition
Questão 12
Questão
The minimum depth of pure lead in a caulked joint.
Questão 13
Questão
Threaded pipe joint cement or mixture shall be used on ___.
Responda
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Female thread only
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Male thread only
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Both
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None
Questão 14
Questão
What is required for a soft copper water piping?
Responda
-
Flared joint
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Soldered joint
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Screwed joint
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Brazed joint
Questão 15
Questão
How are asbestos cement sewer pipe made?
Responda
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Shall be made with sleeve coupling with same material as the pipe.
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Shall be made with resilient type material.
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Shall be made with approved joint cement through proper application.
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Shall be made using flared joint.
Questão 16
Questão
At what locations are traps required?
Questão 17
Questão
What is the relation of the trap and the drain size?
Responda
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Traps shall be one size smaller than the fixture drain.
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Traps shall be one size larger than the fixture drain.
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Traps shall be of the same size as the fixture drain.
-
Traps shall be three sizes larger than the fixture drain.
Questão 18
Questão
Identify the figure shown. It is a type of bushing.
Responda
-
Hexagonal Bushing
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Closed Bushing
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Faced Bushing
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Plane Bushing
Questão 19
Questão
What is a trap seal primer?
Responda
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A device used to clean a trap.
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A device used to maintain the trap seal.
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A device used to drain a trap seal.
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Plane Bushing